Indexes

Indexes provide high performance read operations for frequently used queries. Indexes are particularly useful where the total size of the documents exceeds the amount of available RAM.

For basic concepts and options, see Indexing Overview. For procedures and operational concerns, see Indexing Operations. For information on how applications might use indexes, see Indexing Strategies.

Index Concepts

• Indexing Overview

Indexing Strategies for Applications

• Indexing Strategies

Index Tutorials

• Indexing Operations
  • Create an Index
  • Create a Compound Index
  • Create a Unique Index
  • Create a Sparse Index
  • Create a Hashed Index
  • Build Indexes on Replica Sets
  • Build Indexes in the Background
  • Remove Indexes
  • Rebuild Indexes
  • Monitor and Manage In Progress Index Creation and Building
  • Return a List of All Indexes
  • Measure Index Use
  • Build Old Style Indexes

Geospatial Indexing

See Geospatial Indexes and Queries for an introduction to geospatial indexing.

• Geospatial Indexes and Queries
  • Surfaces
  • Location Data
  • Query Operations
  • Geospatial Indexes
  • Geospatial Indexes and Sharding
  • Additional Resources

Text Indexing

New in version 2.4: text indexes were added in 2.4 as a beta feature.

• Text Search
  • Overview
  • Storage Requirements and Performance Costs
  • Create a text Index
  • text Command
  • Text Search Output

• <   Simple Aggregation Methods and Commands
• Indexing Overview  >